U.S. Equities

As previously announced in the November 13, 2020 Alert, MIAX PEARL Equities (EPRL) has published updates to the MIAX Express Order (MEO), FIX Order Interface (FOI/FXD), Depth of Market Feed (DOM) and Top of Market Feed (TOM) interface specifications.

Important Dates

• The features below are currently available in the EPRL Firm Test Bed
• The features below will be available in production on January 19, 2021

Updated Specifications

• MIAX Express Orders (MEO) – v1.5a
  • Net Notional Trade Protection will be available as an additional Cumulative Risk Protection for orders entered via MEO
  • Added a clarification for Symbol ID field in Symbol Update message that it could change across trading sessions and firms are advised to download and use it for the current trading session
• FIX Order Interface (supports both FOI and FXD) – v1.5
  • Added OrderID in Order Cancel Reject message
  • Net Notional Trade Protection will be available as an additional Cumulative Risk Protection for orders entered via FOI
• Depth of Market Feed (DOM) – v1.3a
  • Added a clarification for Symbol ID field in Symbol Update message that it could change across trading sessions and firms are advised to download and use it for the current trading session
• Top of Market Feed (TOM) – v1.1a
  • Added a clarification for Symbol ID field in Symbol Update message that it could change across trading sessions and firms are advised to download and use it for the current trading session

Please review the updated EPRL Interface Specifications and the MIAX Exchange Group Connectivity Guide for further details.

For further information or to arrange testing, please contact MIAX Trading Operations at TradingOperations@MIAXEquities.com or (609) 897-7302.

Regulatory inquiries should be directed to Regulatory@MIAXEquities.com or (609) 897-7309.

To learn more about PEARL Equities please contact Sales@MIAXEquities.com, (609) 897-8177 or visit MIAXEquities.com.